bzr push into mysql-5.5 branch (rafal.somla:3556 to 3557) Bug#12982926

[Rafal Somla]

 3557 Rafal Somla	2011-09-29
      Bug#12982926  CLIENT CAN OVERRIDE ZERO-LENGTH-ALLOCATE BUFFER
      
      Changes in client plugin needed for testing the issue (test instrumentation).

    modified:
      libmysql/authentication_win/handshake_client.cc
 3556 Marko Mäkelä	2011-09-29
      Update the German error message translations (by Stefan Hinz)
      and fix some Swedish too.

    modified:
      mysql-test/r/group_by.result
      mysql-test/r/having.result
      sql/share/errmsg-utf8.txt
=== modified file 'libmysql/authentication_win/handshake_client.cc'
--- a/libmysql/authentication_win/handshake_client.cc	2011-09-07 18:02:35 +0000
+++ b/libmysql/authentication_win/handshake_client.cc	2011-09-29 15:02:16 +0000
@@ -161,6 +161,21 @@ int Handshake_client::write_packet(Blob 
       keep all the data.
     */
     unsigned block_count= data.len()/512 + ((data.len() % 512) ? 1 : 0);
+
+#if !defined(DBUG_OFF) && defined(WINAUTH_USE_DBUG_LIB)
+
+    /*
+      For testing purposes, use wrong block count to see how server
+      handles this.
+    */
+    DBUG_EXECUTE_IF("winauth_first_packet_test",{
+      block_count= data.len() == 601 ? 0 :
+                   data.len() == 602 ? 1 : 
+                   block_count;
+    });
+
+#endif
+
     DBUG_ASSERT(block_count < (unsigned)0x100);
     saved_byte= data[254];
     data[254] = block_count;

No bundle (reason: useless for push emails).